Seiko Cal. 3861 - 129

The Seiko 3861-129 represents an important milestone in Seiko's 1980 lineup. It features a Green dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-7a52d88a53c1]

Also known as: UFO, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1980

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